4000mAh capacity of battery as an emergency charger for your phone Built-in microphone for hands-free talking Support external TF card (not included) Support FM Radio Support AUX input, playing music from audio device with 3.5mm audio jack Touchable buttons for music and call control
Work with most Bluetooth enabled devices, such as iPod, iPhone,
Android mobile phones or tablets, etc.Bluetooth name: JL BT